Questions? Call Us:

Shure PA421B
Four-Channel Antenna Combiner, 470-865 MHz


Shure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems.
Learn More
Our Price: $1,885.20
List Price: $2,243.00
You save 16%!
Write the first review.
Shure PA421B
Usually ships in 7-14 business days.
Need it sooner? Call us!

Related Products

Shure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems. When multiple systems are required for monitoring applications, the PA421B combiners quietly and efficiently optimize RF management for up to four PSM® transmitter, while also reducing rack clutter. (Directly replaces PA421A.)

Shure PA421B Features:

  • Combines up to four PSM® transmitters to a singleantenna set
    • Improved intermodulation artifacts for cleaner RF environment
    • Reduces rack clutter
  • Wideband operation (470-865 MHz or 865-960 MHz)
  • Daisy-chain up to 2 combiners with the expansion port
  • Provides DC power to compatible IEM transmitters
  • LED indications of signal presence, signal overloadand current draw
  • Improved fan design significantly improves thermalefficiency and ambient noise
  • Optional modification to enable combining ofmicrophone receiver antennas (contact Shure Service Department for moredetails)
    • Provides +15V bias on RF inputs to power antennas
    • Requires modification of unit by qualified service technician

Shure PA421B Specifications:

  • RF Frequency Range: 470-865 MHz
  • Impedance: 50 Ohm
  • Operating Temperature Range: -18 °C (0 °F) to 63 °C (145 °F)
  • Power Requirements: 100 to 240 V AC, 50-60 Hz
  • Current Drain: 1.09 A (referenced at 100 V AC) (109 VA)
  • Power Consumption: 98 W max.
  • Included Accessories:
    • IEC Power Cord
    • Four (4) 2 ft. DC power output cables
    • Four (4) 22 in. coaxial cables, BNC terminated
    • One (1) 11 in. coaxial cable, BNC terminated

General Questions


Can I return a service part once it has been installed?


Installed service parts are non returnable, unless they are defective. All defective returns are exchange only - no money will be refunded.

To be the first to review this item, click here.

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at 800-356-5844 for more information

© 2018 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.